ST62T35B Datasheet, PDF (68/82 Pages) STMicroelectronics – 8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, 16-BIT AUTO-RELOAD TIMER, EEPROM, SPI AND UART

ST62T35B/E35B
6.2 RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Test Condition s
Min.
Value
Typ.
Max.
Unit
6 Suffix Version
-40
T_A Operating Temperature
1 Suffix Version
0
3 Suffix Version
-40
85
70
°C
125
V_DD Operating Supply Voltage
f_OSC = 2MHz
fosc= 8MHz
3.0
4.5
6.0
6.0
V
f_OSC Oscillator Frequency²⁾
V_DD = 3V
0
V_DD = 4.5V, 1 & 6 Suffix
0
V_DD = 4.5V, 3 Suffix
0
f_OSG
Internal Frequency with OSG
enable²⁾
V_DD = 3V
V_DD = 4.5V
2
4
I_INJ+ Pin Injection Current (positive) V_DD = 4.5 to 5.5V
I_INJ- Pin Injection Current (negative) V_DD = 4.5 to 5.5V
4.0
8.0
4.0
f_OSC
f_OSC
+5
-5
MHz
MHz
mA
mA
Notes:
1. Care must be taken in case of negative current injection, where adapted impedance must be respected on analog sources to not affect
the A/D conversion. For a -1mA injection, a maximum 10 KΩ is recommended.
2. An oscillator frequency above 1MHz is recommended for reliable A/D results.
Figure 36. Maximum Operating FREQUENCY (Fmax) Versus SUPPLY VOLTAGE (V_DD)
Maximum FREQUE NCY (MHz)
8
FUNCTION ALITY IS NOT
GUARANTEED IN
7
THIS AREA
6
5
4
3
2
1
2.5
3
3.5
f_OSG Min
4
4.5
1 & 6 Suffix Version
3 Suffix Version
5
5.5
6
SUPPLY VOLTAGE (V_DD)
The shaded area is outside the recommended operating range; device functionality is not guaranteed under these conditions.
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